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https://issues.apache.org/jira/browse/HDFS-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-4647:
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Attachment: HDFS-4647.2.patch
Updated patch to fix another bug with the following sequence:
1. Create dir.
2. Put file.
3. take snapshot of dir.
4. rename file.
5. take snapshot of dir again.
6. rename the same file again.
Step 6 was corrupted the diff list for the second snapshot. This has been fixed.
Also updated the tests.
Many thanks to Jing and Nicholas for all the help and for authoring the most
complicated parts of the patch.
> llegalStateException renaming file under snapshottable directory
> ----------------------------------------------------------------
>
> Key: HDFS-4647
> URL: https://issues.apache.org/jira/browse/HDFS-4647
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: Snapshot (HDFS-2802)
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4647.2.patch, HDFS-4647.patch, HDFS-4647.patch
>
>
> To repro:
> hadoop fs -mkdir /1
> hdfs dfsadmin -allowSnapsot /1
> hadoop fs -createSnapshot /1 snap1
> hadoop fs -put f1 /1
> Final command throws:
> put: java.lang.IllegalStateException
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